Gasket for prefilled syringe and prefilled syringe

摘要

A gasket for prefilled syringe according to the present invention is a gasket for prefilled syringe that includes a fluid contacting portion, a sliding portion with a circumferential surface, a film layer made of a fluororesin coated on the fluid contacting portion and the sliding portion and further, and a coating layer including trimethylsiloxysilicate laminated on the film layer covering the sliding portion.